Portage Bridge
E231607
Portage Bridge is a major bridge spanning the Ottawa River, connecting the cities of Ottawa, Ontario and Gatineau, Quebec in Canada.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portage Bridge canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T1873664 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portage Bridge Context triple: [Gatineau, riverCrossingConnection, Portage Bridge]
-
A.
Algonquin Bridge
Algonquin Bridge is a pedestrian bridge located on the Toronto Islands, providing a scenic crossing between parts of the island park system.
-
B.
Sault Ste. Marie Canal Swing Bridge
The Sault Ste. Marie Canal Swing Bridge is a historic movable bridge in Sault Ste. Marie, Ontario, that carries road and rail traffic across the canal near the St. Marys River.
-
C.
St. Johns Bridge
St. Johns Bridge is a historic steel suspension bridge in Portland, Oregon, noted for its striking Gothic-style towers and scenic span over the Willamette River.
-
D.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
E.
Hathaway Bridge
Hathaway Bridge is a major vehicular bridge in Bay County, Florida, carrying traffic across St. Andrew Bay as part of a key Gulf Coast transportation route.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Portage Bridge Target entity description: Portage Bridge is a major bridge spanning the Ottawa River, connecting the cities of Ottawa, Ontario and Gatineau, Quebec in Canada.
-
A.
Algonquin Bridge
Algonquin Bridge is a pedestrian bridge located on the Toronto Islands, providing a scenic crossing between parts of the island park system.
-
B.
Sault Ste. Marie Canal Swing Bridge
The Sault Ste. Marie Canal Swing Bridge is a historic movable bridge in Sault Ste. Marie, Ontario, that carries road and rail traffic across the canal near the St. Marys River.
-
C.
St. Johns Bridge
St. Johns Bridge is a historic steel suspension bridge in Portland, Oregon, noted for its striking Gothic-style towers and scenic span over the Willamette River.
-
D.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
E.
Hathaway Bridge
Hathaway Bridge is a major vehicular bridge in Bay County, Florida, carrying traffic across St. Andrew Bay as part of a key Gulf Coast transportation route.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
road bridge ⓘ |
| connects |
Gatineau, Quebec
ⓘ
linked to:
Gatineau
Ottawa, Ontario ⓘ
linked to:
Ottawa
|
| connectsRegion |
Hull sector of Gatineau
ⓘ
downtown Ottawa ⓘ |
| country | Canada ⓘ |
| crosses | Ottawa River ⓘ |
| crossesAt |
Ottawa–Gatineau border
ⓘ
linked to:
Quebec–Ontario border
|
| hasFunction | interprovincial commuter route ⓘ |
| hasLanes | multiple traffic lanes ⓘ |
| hasPart |
roadway
ⓘ
sidewalks ⓘ |
| isOn | Ottawa River crossing corridor ⓘ |
| locatedIn |
Gatineau
ⓘ
National Capital Region ⓘ Ottawa ⓘ |
| locatedInAdministrativeTerritory |
Ontario
ⓘ
Quebec ⓘ
linked to:
Quebec, Canada
|
| maintainedBy | Public Services and Procurement Canada ⓘ |
| namedAfter |
Portage district of Gatineau
ⓘ
linked to:
Gatineau sector
|
| near |
Chaudière Falls
ⓘ
Parliament Hill ⓘ Place du Portage ⓘ |
| partOf |
interprovincial bridge network over the Ottawa River
ⓘ
transportation infrastructure of Gatineau ⓘ transportation infrastructure of Ottawa ⓘ transportation infrastructure of the National Capital Region ⓘ |
| roadType | urban arterial link ⓘ |
| usedFor | road traffic ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Portage Bridge Description of subject: Portage Bridge is a major bridge spanning the Ottawa River, connecting the cities of Ottawa, Ontario and Gatineau, Quebec in Canada.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.